X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmisc%2Frealpath.c;h=5756817943c208c66723f375c606451e7fe400f1;hb=c8ea985748a6857ac5db9ef50f9c92e2966c04d5;hp=8dcf5ec9fc8792e0299b656fee5a11700ad2348a;hpb=e98bdca9df8df791fe93ec8eec920fa8d14da1f5;p=musl

diff --git a/src/misc/realpath.c b/src/misc/realpath.c
index 8dcf5ec9..57568179 100644
--- a/src/misc/realpath.c
+++ b/src/misc/realpath.c
@@ -6,7 +6,7 @@
 #include <errno.h>
 #include <unistd.h>
 
-char *realpath(const char *filename, char *resolved)
+char *realpath(const char *restrict filename, char *restrict resolved)
 {
 	int fd;
 	ssize_t r;
@@ -19,16 +19,16 @@ char *realpath(const char *filename, char *resolved)
 		return 0;
 	}
 
+	fd = open(filename, O_RDONLY|O_NONBLOCK);
+	if (fd < 0) return 0;
+	snprintf(buf, sizeof buf, "/proc/self/fd/%d", fd);
+
 	if (!resolved) {
 		alloc = 1;
 		resolved = malloc(PATH_MAX);
 		if (!resolved) return 0;
 	}
 
-	fd = open(filename, O_RDONLY|O_NONBLOCK);
-	if (fd < 0) return 0;
-	snprintf(buf, sizeof buf, "/proc/self/fd/%d", fd);
-
 	r = readlink(buf, resolved, PATH_MAX-1);
 	if (r < 0) goto err;
 	resolved[r] = 0;